CATEngine Parts

118-9935-118-9936 1 Set Mounting Rubber — Cat 3046 311B

This is a set of mounting rubbers, designed to absorb vibration and shock between engine components and the machine chassis, thereby reducing noise and wear. Manufactured to meet strict OEM quality specifications, these rubbers provide superior damping compared to aged or cracked mounts that have lost their elasticity. Operators may notice increased vibration transmitted to the operator station, unusual engine noise, or excessive movement of the engine assembly when these mounting rubbers fail.

1 Set Mounting Rubber – Part No 118-9935-118-9936 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeEngine Mounting Rubber Set
MaterialVibration-Dampening Rubber Compound
ApplicationEngine Mounts
Service LifeReplace every 5 years or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of failing mounting rubbers is an increase in engine noise and vibration felt throughout the machine. As the rubber degrades, the engine may appear to 'sag' or move excessively during acceleration or deceleration. If left unaddressed, severe vibration can lead to fatigue cracks in the engine mounts or chassis, and damage to other connected components.

Installation Tip

Ensure the engine is adequately supported before removing the old mounting rubbers to prevent it from shifting unexpectedly. Do not reuse old hardware; always use new bolts and nuts when installing the new mounting rubbers.

Service Note

Inspect the engine's exhaust system and drivetrain components for signs of stress or damage caused by excessive vibration when replacing engine mounting rubbers.